Radiologic reconstruction technology allows the wide use of three-dimensional (3D) computed tomography (CT) images in thoracic surgery. A minimally invasive surgery has become one of the standard therapies in thoracic surgery, and therefore, the need for preoperative and intraoperative simulations has increased. Three-dimensional CT images have been extensively used, and various types of software have been developed to reconstruct 3D-CT images for surgical simulation worldwide. Several software types have been commercialized and widely used by not only radiologists and technicians, but also thoracic surgeons. Three-dimensional CT images are helpful surgical guides; however, in almost all cases, they provide only static images, different from the intraoperative views. Lungs are soft and variable organs that can easily change shape by intraoperative inflation/deflation and surgical procedures. To address this issue, we have developed a novel software called the Resection Process Map (RPM), which creates variable virtual 3D images. Herein, we introduce the RPM and its development by tracking the history of 3D CT imaging in thoracic surgery. The RPM could help develop a real-time and accurate surgical navigation system for thoracic surgery.
放射学重建技术使得三维计算机断层扫描（CT）图像在胸外科手术中得到广泛应用。微创手术已成为胸外科的标准治疗方法之一，因此对术前和术中模拟的需求日益增加。三维CT图像已被广泛使用，全球范围内已开发出多种软件用于重建三维CT图像以进行手术模拟。已有数种软件实现商业化，不仅被放射科医生和技术人员广泛使用，胸外科医生也普遍采用。三维CT图像是有效的手术指导工具，然而在几乎所有情况下，它们仅提供静态图像，与术中实际视野存在差异。肺是柔软且可变的器官，其形态容易因术中充气/放气及手术操作而发生改变。为解决这一问题，我们开发了一款名为"切除过程图谱"（RPM）的新型软件，该软件能够生成动态虚拟三维图像。本文通过追溯胸外科三维CT成像的发展历程，介绍RPM软件及其研发过程。该软件有望推动胸外科实时精准手术导航系统的进一步发展。
Evolution of Three-Dimensional Computed Tomography Imaging in Thoracic Surgery
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